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Individual Calculations January 2019 |
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| Buhman, Gabriel Total change: 11.60 | |   |
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| Artzit Youth League - North 2018/9 5-7 | Various | ISR | 2018-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1103 | 0.00 | 3 | -0.36 | 40 | -14.40 | |
|  Arvily, Itay | | | 1381 | ISR | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Gartenfloys, Mark | | | 1454 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Gruzman, Ilya | | | 1503 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Israel Youth Championship U15 Qualifier 2018 North | Kiryat Motzkin | ISR | 2018-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1100 | 1.00 | 2 | 0.65 | 40 | 26.00 | |
| | Goldenberg, Shay | | | 1381 | ISR | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Abdo, Amir | | | 1353 | ISR | 1.00 | 1 | 0.81 | 40 | 32.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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